CH341706A - Process for bleaching pulp pulp - Google Patents

Process for bleaching pulp pulp

Info

Publication number
CH341706A
CH341706A CH341706DA CH341706A CH 341706 A CH341706 A CH 341706A CH 341706D A CH341706D A CH 341706DA CH 341706 A CH341706 A CH 341706A
Authority
CH
Switzerland
Prior art keywords
pulp
bleaching
bleaching pulp
pulp pulp
Prior art date
Application number
Other languages
German (de)
Inventor
Lemuel Mcewen Robert
Russell Sheldon Fred
Campbell Macgugan Ian
Original Assignee
Fmc Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fmc Corp filed Critical Fmc Corp
Publication of CH341706A publication Critical patent/CH341706A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1047—Conserving the bleached pulp
CH341706D 1954-11-19 1955-11-19 Process for bleaching pulp pulp CH341706A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US341706XA 1954-11-19 1954-11-19

Publications (1)

Publication Number Publication Date
CH341706A true CH341706A (en) 1959-10-15

Family

ID=21874739

Family Applications (2)

Application Number Title Priority Date Filing Date
CH348044D CH348044A (en) 1954-11-19 1955-11-09 Process for maintaining the brightness of bleached fiber material
CH341706D CH341706A (en) 1954-11-19 1955-11-19 Process for bleaching pulp pulp

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH348044D CH348044A (en) 1954-11-19 1955-11-09 Process for maintaining the brightness of bleached fiber material

Country Status (6)

Country Link
BE (1) BE542859A (en)
CH (2) CH348044A (en)
DE (2) DE1043789B (en)
FR (2) FR1159573A (en)
GB (2) GB785737A (en)
NL (1) NL202075A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103121B (en) * 1958-02-10 1961-03-23 Mo Och Domsjoe Ab Process for the treatment of pulp with alkali borohydrides
FR2218376A1 (en) * 1973-02-16 1974-09-13 Air Liquide Suppression of mould and yellowing of paper pastes - by washing with hydrogen peroxide and sodium diethylene triamine pentacetate
FR2613388B1 (en) * 1987-04-02 1990-05-04 Atochem PROCESS FOR BLEACHING PASTA
SE9402542D0 (en) * 1994-07-20 1994-07-20 Kvaerner Pulping Tech Method and apparatus for bleaching with pressurized peroxide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029985A (en) * 1932-05-31 1936-02-04 Buffalo Electro Chem Co Method of bleaching
US2125634A (en) * 1937-03-29 1938-08-02 Oxford Paper Co Method of bleaching pulp or paper webs
US2150926A (en) * 1937-07-03 1939-03-21 Buffalo Electro Chem Co Process of making and bleaching paper
US2510595A (en) * 1946-09-20 1950-06-06 Buffalo Electro Chem Co Method of bleaching groundwood
GB671962A (en) * 1949-08-30 1952-05-14 Buffalo Electro Chem Co Process of bleaching wood pulp
US2692181A (en) * 1950-03-08 1954-10-19 Buffalo Electro Chem Co Treatment of unbleached sulfite pulp
US2661261A (en) * 1950-06-30 1953-12-01 Buffalo Electro Chem Co Method of superbleaching chemical pulp
BE517333A (en) * 1952-02-02

Also Published As

Publication number Publication date
GB785737A (en) 1957-11-06
CH348044A (en) 1960-07-31
FR1153424A (en) 1958-03-10
DE1043789B (en) 1958-11-13
GB791352A (en) 1958-02-26
DE1049222B (en) 1959-01-22
NL202075A (en)
FR1159573A (en) 1958-06-30
BE542859A (en) 1959-09-11

Similar Documents

Publication Publication Date Title
CH366992A (en) Process for the machine evaluation of characters
CH414525A (en) Process for bleaching textiles
CH337301A (en) Apparatus for crimping yarn
AT292443B (en) Process for bleaching pulp
CH447100A (en) Process for finishing cellulose textiles
CH369099A (en) Process for bleaching cellulose fabrics
CH341706A (en) Process for bleaching pulp pulp
AT193245B (en) Process for bleaching pulp
AT195240B (en) Process for bleaching wood pulp
CH334640A (en) Process for bleaching soapstocks
CH445110A (en) Process for heat stabilizing polyamides
FR1105634A (en) Bleaching process
AT193398B (en) Process for sulphiding alkali cellulose
AT188837B (en) Process for debarking stem fibers
AT197317B (en) Method of bleaching
CH373731A (en) Process for finishing textiles containing cellulose fibers
CH344896A (en) Process for bleaching cellulosic materials
CH332820A (en) Process for the production of bleached semi-pulp
AT266578B (en) Process for bleaching wood pulp
CH305733A (en) Process for bleaching pulps.
CH339189A (en) Process for sulphiding alkali cellulose
FR1118216A (en) Half-cellulose bleaching process
AT187886B (en) Apparatus for cleaning laundry
AT199986B (en) Process for delignifying and bleaching cellulose fibers
AT191376B (en) Process for printing textiles